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7. The screen shown below is displayed upon successful calibration. Select Done to exit the
calibration screen.
6.3.8.4 Common Failures and Recommended Actions
Failure Description Possible Cause Recommended Action
After Begin is selected,
calibration failure is
displayed very soon.
The machine is in
the BFCS state.
Set the machine to the EFCS state.
The N2O supply
pressure is low.
Replace or connect a gas supply to ensure that
N2O pressure is within the specified range.
After Begin is selected,
calibration fails about 1
minute later.
The calibration
points do not
conform to
monotonicity.
1. Perform the calibration again.
2. Replace the EFCS flowmeter assembly.
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